21 College Avenue Harrow HA3 6EY
Single storey rear extension; external alterations
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Progress
Application details
- Reference
- P/1479/23
- Local authority
- Harrow
- Postcode
- HA3 6EY
- Ward
- Harrow Weald
- Application type
- Householder
- Property type
- House
Key dates
- Submitted
- 13 May 2023
- Validated
- 13 May 2023
- Comments close
- 14 Jun 2023
- Target decision
- 7 Jul 2023
- Decided
- 7 Jul 2023
Estimated project value
£38k–£69k
Typical UK cost for this job type, at outer London rates (2026). Estimated from the proposal description — planning applications do not state build cost. Source: MyJobQuote / Checkatrade 2026, ~20m² at £1,800-£3,000/m².
Recently sold nearby
Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts. 2 recent sales are listed below.
- 19 COLLEGE AVENUE, HARROW, HA3 6EYSemi-detached · Not a standard market sale · £650,00012 months ago14 Aug 2025
- 25 COLLEGE AVENUE, HARROW, HA3 6EYSemi-detached · £625,00022 months ago18 Oct 2024
- 23 COLLEGE AVENUE, HARROW, HA3 6EYTerraced · £620,0008 years ago4 May 2018
- 17 COLLEGE AVENUE, HARROW, HA3 6EYSemi-detached · £605,0008 years ago9 Oct 2017
- 17 COLLEGE AVENUE, HARROW, HA3 6EYSemi-detached · £480,00010 years ago6 Jun 2016
- 19 COLLEGE AVENUE, HARROW, HA3 6EYSemi-detached · £499,95010 years ago27 Jan 2016
- 23 COLLEGE AVENUE, HARROW, HA3 6EYTerraced · £500,00012 years ago8 May 2014
- 23 COLLEGE AVENUE, HARROW, HA3 6EYTerraced · Not a standard market sale · £310,00012 years ago30 Oct 2013
Homes here go for about £552,500 — the median of the last 6 market sales in HA3 6EY, £480,000 to £625,000.
Contains HM Land Registry data © Crown copyright and database right 2025. This data is licensed under the Open Government Licence v3.0. Sales are matched by postcode, not by property, so a sale listed here may be a neighbouring address. England and Wales only.
Planning constraints
No designations recorded at this location. This is not a formal search — always confirm with the local authority before relying on it.
Designations from planning.data.gov.uk, Open Government Licence v3.0. Indicative only — not a formal local authority search.
Nearby applications
- 19 College Avenue Harrow HA3 6EYPermittedNext door
- College Avenue Harrow HA3 6EYPermittedNext door
- 31 COLLEGE AVENUE HarrowRefused46 yd
- 31 COLLEGE AVENUE HarrowRefused46 yd
- 31 COLLEGE AVENUE HarrowPermitted46 yd
- 31 COLLEGE AVENUE HarrowRefused46 yd